CN104767046B - Thyristor type full-sealing type equipotential connector - Google Patents
Thyristor type full-sealing type equipotential connector Download PDFInfo
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- CN104767046B CN104767046B CN201510150345.XA CN201510150345A CN104767046B CN 104767046 B CN104767046 B CN 104767046B CN 201510150345 A CN201510150345 A CN 201510150345A CN 104767046 B CN104767046 B CN 104767046B
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Abstract
The invention discloses a thyristor type full-sealing type equipotential connector. The thyristor type full-sealing type equipotential connector comprises an external connection terminal and an internal connection terminal. A grounding wire is connected between the external connection terminal and the internal connection terminal. The thyristor type full-sealing type equipotential connector further comprises a thyristor and an outer shell, and the thyristor is connected with the internal connection terminal; the thyristor, the internal connection terminal and the grounding wire are sealed in the outer shell, and the grounding wire extends to the exterior of the outer shell; a limiting separating plate for limiting the thyristor is arranged in the outer shell; a port of the outer shell is sealed through a sealing structure; the outer shell is filled with heat conduction silica gel which is used for sealing the interior of the outer shell. A brand-new method for preventing electrochemical corrosion is adopted in the anti-thunder field. The thyristor type full-sealing type equipotential connector is low in starting voltage and high in response speed, a corrosion current can be effectively cut off, the thunder flow capacity is large, the power frequency flow capacity is high, and a thunder current and a breakdown power current can be effectively discharged.
Description
Technical field
The present invention relates to belong to lightning protection and anticorrosion field, and in particular to a kind of all-sealed equipotential link of thyristor-type
Device.
Background technology
Electrochemical corrosion gives people class and brings huge economic loss and social danger, after metal is corroded, in profile, color and luster
And the aspect such as mechanical performance all will change, and can make machinery equipment, instrument, the precision of instrument and sensitivity decrease, shadow
Ring and use so that scrapping, or even major accident occurs.It is known that when metal is with electrolyte solution contacts, it may occur that galvanic element
Reaction, the active metal of comparison loses electronics and is oxidized, and this corrosion is called electrochemical corrosion.Usually, outside equipment metal
Shell can be connected with copper earthing bar, if they are exposed on the environment of humidity or water, it is not intended in define with active metal be negative
Pole, copper is " galvanic element " of positive pole, will be corroded compared with active metal equipment, leverages the life-span of equipment.Metal electrification
Learn corrosion potential very low, the typically only several volts of difference.Current conventional Equipotential connector, mostly using varistor, gas is put
Fulgurite, spark gap, although disclosure satisfy that thunder and lightning through-current capability, but it is high to start voltage, it is impossible to start for meeting low-voltage, lead
Logical cut-out corrosion loop, cannot more meet the requirement of failure power frequency through-current capability.
The Chinese patent application of Publication No. CN 202749681U discloses a kind of spark gap type Equipotential connector,
A kind of waterproof and dampproof means of sealing are wherein described, using two kinds of different colloid sealing means of perfusion, although to a certain extent
Can improve sealing property, but two kinds of colloids of epoxy resin and silicone rubber are to the adhesive force of base material and bad, and humidity is shelved on for a long time
Environment in, moisture or steam will be penetrated into by colloid with substrate interface, affect device lifetime.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, for the disappearance that above-mentioned use environment exists in anti-thunder technical field,
There is provided a kind of thyristor-type all-sealed Equipotential connector.
The present invention be it is a kind of disclosure satisfy that long-term used in wet environment, met using IGCT mode and low start electricity
Pressure, big power current and thunder-strike current through-current capability, with a kind of all-sealed Equipotential connector for preventing electrochemical corrosion.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：
A kind of all-sealed Equipotential connector of thyristor-type, including external wiring terminal and internal wiring terminal.It is described external
Connect earth lead between line terminals and the internal wiring terminal；Also include IGCT, shell, the IGCT and the internal wiring
Terminal connects；The IGCT, internal wiring terminal and earth lead are sealed in inside the shell, and the earth lead is extended to outside the shell
Portion；The inside the shell arranges the spacing dividing plate of limited location institute IGCT；The outer cover port is sealed by sealing structure；It is described outer
Heat conductive silica gel is injected with shell, for sealing the enclosure.
Further technical scheme is that IGCT includes ceramic body and electrode, and the ceramic body is connected with the electrode
The disc of place and the electrode is provided with blue epoxy particle encapsulated layer.
Further technical scheme is that IGCT is fixedly connected with the internal wiring terminal by crimping mode.
Further technical scheme is that internal wiring terminal is made with the electrode of the IGCT using copper nickel plating technology
Form.
Further technical scheme be shell be to be made using PP plus glass fiber material, the shell is cylindrical knot
Structure.
Further technical scheme is that outer casing inner wall is surface-treated using chromic acid.
Further technical scheme is that IGCT, internal wiring terminal and earth lead adopt surface activation process.
Further technical scheme is that sealing structure includes end cap, base, sealing ring, sealing-plug；The base and institute
Cage connection is stated, the sealing ring is arranged between the shell and the base；The end cap is connected with the base, described
Sealing-plug is arranged between the base and the end cap.
Further technical scheme is that sealing structure includes end cap, blanking cover, sealing ring, sealing-plug；The end cap and institute
Cage connection is stated, the sealing ring is arranged between the shell and the end cap；The end cap is connected with the blanking cover, described
Sealing-plug is arranged between the end cap and the blanking cover.
Further technical scheme is that the model specification of IGCT is：Vs：8-12V；In：20KA；AC RMS：230V,
40A/15min。
The present invention operation principle be：
The big essential condition of electrochemical corrosion three：Different metal, contacts electrolyte, current loop.Either condition is unsatisfactory for
Electrochemical corrosion all can be prevented from.The present invention starts conducting, characteristic of low voltage after conducting so that neither using IGCT low-voltage
Reduce with intermetallic potential difference, bypass corrosion current loop, prevent electrochemical corrosion from further occurring.
Compared with prior art, the invention has the beneficial effects as follows：
1. the brand-new a kind of method for preventing electrochemical corrosion for adopting in the lightning protection field.
2. present invention startup voltage is low, and fast response time can effectively cut off corrosion current, its thunder and lightning through-current capability
Greatly, power frequency through-current capability is strong, and can effectively release lightning current and failure power current.
3. component failure pattern of the present invention is short circuit, and short-circuit failure is safer, and device this life also can be as leading after failing
Line equipotential link, it is ensured that the reliability of ground connection.
4. due to the particularity of device, the present invention also serves as the electric energy that wire provides certain amount to equipment to the present invention.
5 water resistancees of the present invention are good, can adapt to humidity or are immersed in used in water.Experiment shows, simple by perfusion
The seal means water resistance of colloid is not very reliable, and because most of substrate surface can be all very low, casting glue is viscous with base material
Relay is difficult bonding, and in long period of soaking water, steam will be entered by base material with the interface of casting glue；The present invention is by chromic acid and surface
The reasonable utilization of activator, increased the surface energy of each material, enhance the adhesive force of embedding colloid and each base material, so as to improve
Sealing water resistance；Moreover realize waterproof and dampproof dual guarantor with coordinating with heat conduction encapsulating after blue epoxy particle high-temperature encapsulating
Shield.
6. Standard mode is simple.
Description of the drawings
Fig. 1 is IGCT external structure schematic diagram in one embodiment of the invention.
Fig. 2 is IGCT before processing external structure schematic diagram in one embodiment of the invention.
Fig. 3 is one embodiment of the invention Equipotential connector structural representation.
Fig. 4 is another embodiment of the present invention Equipotential connector structural representation.
Description of reference numerals：1-blue epoxy particle encapsulated layer, 2-copper electrode, 3-ceramic body, 4-shell, 5-lead
Hot silica gel, 6-base, 7-O-ring seal, 8-end cap, 9-sealing-plug, 10-earth lead, 11-mono- OT binding posts,
12-screw association part, 13-bis- OT binding posts, 14-spacing dividing plate, 15-blanking cover.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Below in conjunction with the accompanying drawings and embodiment to the present invention specific embodiment be described in detail.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, Fig. 1, Fig. 2 are the structural representation of bipolar IGCT in the present embodiment, and it includes pottery
Porcelain body 3 and copper electrode 2, it is preferred that by ceramic body 3 and the joining place and the disc of copper electrode 2 of copper electrode 2 in the present embodiment,
Encapsulated with the mode as shown in Figure 1 of blue epoxy particle encapsulated layer 1.
As shown in figure 3, the all-sealed Equipotential connector of thyristor-type disclosed in the present embodiment, including external wiring terminal and
Internal wiring terminal；Also include IGCT, shell, inside the shell arranges the spacing dividing plate of limited location institute IGCT；Outer cover port passes through
Sealing structure is sealed；The inside the shell is injected with heat conductive silica gel, and for sealing the enclosure, specific sealing structure includes
End cap, base, sealing ring, sealing-plug.
Specifically, the structure and assembling mode of the all-sealed Equipotential connector of the present embodiment thyristor-type is：By ceramics
Body 3 and the joining place and the disc of copper electrode 2 of copper electrode 2, are encapsulated with blue epoxy particle encapsulated layer 1 such as Fig. 1 modes.In order to
Electrochemical corrosion and through-current capability, IGCT requirements of type selecting can be hindered：Vs：8-12V, In (8/20us)：20KA, AC RMS：230V,
40A/15min。
After single OT binding posts 11 are connected with the two ends of earth lead 10, in order to increase connection reliability, lower contact resistance,
It is fixed on IGCT copper electrode 2 by screw association part 12；In order to ensure the antiseptic power of its own, single OT binding posts and
The electrode of IGCT two is made using copper plating nickel material；After by the overall process with silane coupling agent of such as previous action, load
With in the shell 4 after chromic acid process, can so promote sealing effectiveness, further, the shell material of shell adopts PP (poly- third
Alkene) plus glass；It is spacing by spacing dividing plate 14 after being fitted in shell；O-ring seal 7 is loaded into the escape of the screw thread of shell 4
It is interior, the base 6 on one side and shell 4 are tightened, load sealing-plug 9, then end cap 8 is tightened.
In order to be able to have good heat dispersion and sealing, casting glue adopts high-temperature heat-conductive silica gel；By heat conductive silica gel 5 from outer
The shell other end is injected into the end bottom of thread；After heat conductive silica gel 5 is air-dried, then O-ring seal 7 is respectively charged into, tightens base 6,
Load sealing-plug 9, tighten end cap 8；Finally double OT binding posts 13 are connected with earth lead 10.
Embodiment 2
As shown in figure 4, present embodiment discloses another kind of structure of the all-sealed Equipotential connector of thyristor-type, with reality
Apply example 1 to compare, it differs primarily in that sealing structure includes：End cap, blanking cover, sealing ring, sealing-plug.Lower mask body introduces this reality
Apply the structure and assembling mode of example.
The present embodiment by the joining place and the disc of copper electrode 2 of ceramic body 3 and copper electrode 2, with blue epoxy particle bag
The such as Fig. 1 modes of sealing 2 are encapsulated；After single OT binding posts 11 are connected with the two ends of earth lead 10, fixed by screw association part 12
On IGCT copper electrode 2；After by the overall process with silane coupling agent of such as previous action, load with the shell after chromic acid process
It is spacing by spacing dividing plate 14 in 4；O-ring seal 7 is loaded in the escape of the screw thread of shell 4, by the end cap 8 on one side with it is outer
Shell 4 is tightened, and loads sealing-plug 9, then blanking cover 15 is tightened；Heat conductive silica gel 5 is injected into the end bottom of thread from the shell other end；Treat
After heat conductive silica gel 5 is air-dried, O-ring seal 7 is being respectively charged into, is tightening end cap 8, sealing-plug 9 is tightening blanking cover 15；Finally by double OT
Binding post 13 is connected with earth lead 10.
In above two structure chart, the shell dimension of shell：φ 42mm × 110mm, earth lead is that UL33868AWG is yellowish green
Line.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual, etc., refer to knot
Specific features, structure or the feature for closing the embodiment description is included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that in the description statement of the same race occur in multiple places.Furthermore, it is understood that with reference to appoint
When one embodiment describes specific features, structure or a feature, what is advocated is realizing this with reference to other embodiment
Plant feature, structure or feature also to fall within the scope of the present invention.
Although reference be made herein to invention has been described for the multiple explanatory embodiments invented, however, it is to be understood that this
Art personnel can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in the application
Within disclosed spirit and spirit.More specifically, in the range of disclosure claim, can be to theme group
Closing the building block and/or layout of layout carries out various modifications and improvement.Except the modification carried out to building block and/or layout
Outer with improving, to those skilled in the art, other purposes also will be apparent.
Claims (9)
1. a kind of all-sealed Equipotential connector of thyristor-type, including external wiring terminal and internal wiring terminal；The external connection
Connect earth lead between terminal and the internal wiring terminal；It is characterized in that：Also include IGCT, shell, the IGCT with
The internal wiring terminal connection；The IGCT, internal wiring terminal and earth lead are sealed in inside the shell, and the earth lead is extended to
The housing exterior；The inside the shell arranges the spacing dividing plate of IGCT described in limited location；The outer cover port is by sealing knot
Structure is sealed；The inside the shell is injected with heat conductive silica gel, for sealing the enclosure；Described IGCT include ceramic body and
Electrode, the ceramic body is provided with blue epoxy particle encapsulating with the disc of the joining place of the electrode and the electrode
Layer.
2. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described IGCT
It is fixedly connected by crimping mode with the internal wiring terminal.
3. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described internal wiring
Terminal is made with the electrode of the IGCT using copper nickel plating technology.
4. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described shell is
It is made using PP plus glass fiber material, the shell is cylindrical structural.
5. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described inside the shell
Wall is surface-treated using chromic acid.
6. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described IGCT,
Internal wiring terminal and earth lead adopt surface activation process.
7. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described sealing knot
Structure includes end cap, base, sealing ring, sealing-plug；The base and the cage connection, the sealing ring is arranged on the shell
Between the base；The end cap is connected with the base, and the sealing-plug is arranged between the base and the end cap.
8. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described sealing knot
Structure includes end cap, blanking cover, sealing ring, sealing-plug；The end cap and the cage connection, the sealing ring is arranged on the shell
Between the end cap；The end cap is connected with the blanking cover, and the sealing-plug is arranged between the end cap and the blanking cover.
9. the all-sealed Equipotential connector of thyristor-type according to claim 1, it is characterised in that described IGCT
Model specification be：Vs：8-12V；In：20KA；AC RMS：230V,40A/15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150345.XA CN104767046B (en) | 2015-03-31 | 2015-03-31 | Thyristor type full-sealing type equipotential connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510150345.XA CN104767046B (en) | 2015-03-31 | 2015-03-31 | Thyristor type full-sealing type equipotential connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767046A CN104767046A (en) | 2015-07-08 |
| CN104767046B true CN104767046B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510150345.XA Active CN104767046B (en) | 2015-03-31 | 2015-03-31 | Thyristor type full-sealing type equipotential connector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046205A (en) * | 2017-02-09 | 2017-08-15 | 无锡百祺电子科技有限公司 | The connector attachment structure of anti-strike-through |
| CN109961864A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | Heavy water reactor fuel handling white-out station potentiometer protective device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171143Y (en) * | 2008-01-23 | 2008-12-24 | 深圳市中鹏电子有限公司 | Equipotential connector |
| CN202749681U (en) * | 2012-06-14 | 2013-02-20 | 陕西凌雷电气有限公司 | Spark gap-type equipotential connector |
| CN204230630U (en) * | 2014-11-25 | 2015-03-25 | 深圳市华海力达通讯技术有限公司 | A kind of equipotential isolation connector and equipotential isolation syndeton |
-
2015
- 2015-03-31 CN CN201510150345.XA patent/CN104767046B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201171143Y (en) * | 2008-01-23 | 2008-12-24 | 深圳市中鹏电子有限公司 | Equipotential connector |
| CN202749681U (en) * | 2012-06-14 | 2013-02-20 | 陕西凌雷电气有限公司 | Spark gap-type equipotential connector |
| CN204230630U (en) * | 2014-11-25 | 2015-03-25 | 深圳市华海力达通讯技术有限公司 | A kind of equipotential isolation connector and equipotential isolation syndeton |
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| Publication number | Publication date |
|---|---|
| CN104767046A (en) | 2015-07-08 |
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